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Mechanisms for Addressing Third-Party Impacts Resulting from Voluntary Water Transfers
Richard E. Howitt, University of California, Davis
UC Water Resources Center Technical Completion Report W-921
ABSTRACT: This research uses laboratory experiments to test alternative water market institutions designed to
protect third-party interests. The institutions tested include taxing mechanisms that raise revenue
to compensate affected third-parties, and a free market in which third-parties acti vely participate.
We also discuss the likely implications of a command-and-control approach in which there are
fixed limits on the volume of water that may be exported from a region. The results indicate that
there are some important trade-offs in selecting a policy option. Although theoretically optimal,
active third-party participation in the market is likely to result in free-riding that may erode some
or all of the efficiency gains, and may introduce volatility into the market. Fixed limits on water
exports are likely to result in a more stable market, but the constraints on exports will result in
lower levels of social welfare. Taxing transfers and compensating third-parties offers a promising
balance of efficiency, equity and market stability.
SUGGESTED CITATION: Richard E. Howitt,
"Mechanisms for Addressing Third-Party Impacts Resulting from Voluntary Water Transfers"
(September 1, 2001).
University of California Water Resources Center.
Technical Completion Reports.
Paper 921.
http://repositories.cdlib.org/wrc/tcr/921
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